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“#Tailored hardening of bulk metallic glass induced by 2-D gradient rejuvenation” A schematic illustration of metallic glass with various relaxation states depending on the cooling rate. Credit: Tohoku University A team at Tohoku University have perfected a new heat treatment technique with rapid heating and asymmetrical cooling processes in metallic glass. This technique enabled the…
“#Compound may magnetically outperform neodymium magnets” The new compound developed in this research exhibited magnetic properties significantly superior to those exhibited by other SmFe12-based magnets previously developed. Credit: NIMS NIMS and Tohoku Gakuin University have developed a boron-doped anisotropic Sm(Fe0.8Co0.2)12 thin film containing only small amount of rare earth elements. The compound exhibited 1.2 tesla…
“#Lifting a sessile drop from a superamphiphobic surface using an impacting droplet” Experimental approach and the sessile drop. (A) Sketch of the experimental setup for binary drop impact on superamphiphobic surfaces. The needle is fixed to set the impacting height in the Z direction and the relative distance between the sessile and impacting drops. The…
“#Thin layer protects battery, allows cold charging” The layers in a lithium metal anode for low temperature batteries Credit: Donghai Wang, Penn State In the search for a reliable, quick-charging, cold-weather battery for automobiles, a self-assembling, thin layer of electrochemically active molecules may be the solution, according to a team or researchers. “The lithium metal…
“#Microwaving new materials” If you look carefully in the center of this photo, you will see the $30 microwave oven that Reeja Jayan reengineered to start her early experiments. Credit: Reeja Jayan Microwave ovens are the mainstay of cooking appliances in our homes. Five years ago, when Reeja Jayan was a new professor at Carnegie…
“#Less is more: A soft, self-actuated pump to simplify mechatronic devices” Belousov–Zhabotinsky hydrogel in solution. Credit: Shibaura Institute of Technology Modern mechatronic devices, from industrial machinery to robots, have seen a drastic increase in complexity and intricacy. With sophisticated functionalities being unlocked with each passing day, there has been an inevitable rise in the number…
“#Hydrochloric acid boosts catalyst activity” Nickel molybdenum sulfide catalyst after acid treatment. Credit: Manuel Wagenhofer/TUM A research team from the Technical University of Munich (TUM) led by chemist Johannes Lercher has developed a synthesis process which drastically increases the activity of catalysts for the desulfurization of crude oil. The new process could perhaps also be…
“#New insights into lithium-ion battery failure mechanism” Researchers have identified a potential new degradation mechanism for electric vehicle batteries—a key step to designing effective methods to improve battery lifespan. The researchers, from the Universities of Cambridge and Liverpool, and the Diamond Light Source, have identified one of the reasons why state-of-the-art “nickel-rich” battery materials become…
“#Research shows potential to improve paints, coatings” Credit: Materials Horizons (2020). DOI: 10.1039/D0MH00589D New research from Binghamton University, State University of New York could lead to more environmentally friendly paints and coatings. In Roman mythology, the god Janus had two faces so that he could see clearly into both the past and future. Janus particles…
“#New approach to soft material flow may yield way to new materials, disaster prediction” A new study from engineers at the University of Illinois, Urbana-Champaign uses simple experiments to explain how a better understanding of flowing motion of soft materials will help design new materials and could help predict some natural disasters. Photo courtesy U.S….